Roll Perfetto from 4fb2d48fe563 to 8bf9368130b8 (23 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/4fb2d48fe563..8bf9368130b8

2020-11-13 fmayer@google.com Merge "Actually fix Windows build."
2020-11-13 lalitm@google.com Merge "Add trace metric to know dpu underrun occurs count"
2020-11-13 fmayer@google.com Fix Windows build error.
2020-11-13 fmayer@google.com Do not support Unicode paths on Windows for now.
2020-11-13 delphick@google.com Merge "[metrics] Add modified RAIL mode query"
2020-11-13 fmayer@google.com Fix windows subprocess build error.
2020-11-12 treehugger-gerrit@google.com Merge "Support new libunwindstack errors in traced_perf."
2020-11-12 treehugger-gerrit@google.com Merge "Minor refactor to shorten a method."
2020-11-12 treehugger-gerrit@google.com Merge "base: deflake subprocess tests"
2020-11-12 fmayer@google.com Merge "Fix multithreaded_alloc build."
2020-11-12 marcinoc@google.com Merge "Implement more jank root causes"
2020-11-12 fmayer@google.com Merge "Make Chrome Windows build happy."
2020-11-12 fmayer@google.com Merge "Ignore new buildtools dependencies"
2020-11-12 treehugger-gerrit@google.com Merge "Add missing include."
2020-11-12 hjd@google.com Merge "ui: Clone data before parsing IPC frames"
2020-11-12 treehugger-gerrit@google.com Merge "Add ability to omit protozero dep in protozero_library"
2020-11-12 primiano@google.com Merge "docs: remove [toc], unsupported"
2020-11-12 fmayer@google.com Merge "Test for ParseLines receiving on char at a time."
2020-11-12 lalitm@google.com Merge "tp: explicitly list proto deps instead of --include_imports"
2020-11-12 ddrone@google.com Replace atomic_uint32_t with atomic<uint32_t>
2020-11-12 gijosh@google.com Update local symbolizer to support Windows.
2020-11-12 fmayer@google.com Fix out-of-tree unwindstack build.
2020-11-12 ddrone@google.com Merge "Make EventContext::event() template method"

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/perfetto-chromium-autoroll
Please CC perfetto-bugs@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:linux-perfetto-rel
Bug: chromium:152017262
Tbr: perfetto-bugs@google.com
Change-Id: I5fbea37520ea5a157133bfaffae763550070f6ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537855Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#827247}

DEPS

@@ -1263,7 +1263,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '4fb2d48fe563c46e8d8a6055caabe7b929d94686',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '8bf9368130b89ce1fe75d1b6f527393751447465',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',